add cloudflare workers support (#326)

apps/cli/src/helpers/project-generation/env-setup.ts

@@ -200,7 +200,11 @@ export async function setupEnvironmentVariables(
 				databaseUrl = "mongodb://localhost:27017/mydatabase";
 				break;
 			case "sqlite":
-				databaseUrl = "file:./local.db";
+				if (config.runtime === "workers") {
+					databaseUrl = "http://127.0.0.1:8080";
+				} else {
+					databaseUrl = "file:./local.db";
+				}
 				break;
 		}
 	}
@@ -234,4 +238,11 @@ export async function setupEnvironmentVariables(
 	];
 
 	await addEnvVariablesToFile(envPath, serverVars);
+
+	if (config.runtime === "workers") {
+		const devVarsPath = path.join(serverDir, ".dev.vars");
+		try {
+			await fs.copy(envPath, devVarsPath);
+		} catch (_err) {}
+	}
 }

apps/cli/src/helpers/project-generation/post-installation.ts

@@ -93,7 +93,18 @@ export function displayPostInstallInstructions(
 		)}\n`;
 		output += `${pc.cyan(`${stepCounter++}.`)} ${runCmd} dev\n\n`;
 	} else {
-		output += `${pc.cyan(`${stepCounter++}.`)} ${runCmd} dev\n\n`;
+		if (runtime !== "workers") {
+			output += `${pc.cyan(`${stepCounter++}.`)} ${runCmd} dev\n`;
+		}
+
+		if (runtime === "workers") {
+			output += `${pc.cyan(`${stepCounter++}.`)} bun dev\n`;
+			output += `${pc.cyan(
+				`${stepCounter++}.`,
+			)} cd apps/server && bun run cf-typegen\n\n`;
+		} else {
+			output += "\n";
+		}
 	}
 
 	output += `${pc.bold("Your project will be available at:")}\n`;

apps/cli/src/helpers/project-generation/template-manager.ts

@@ -818,4 +818,17 @@ export async function handleExtras(
 			await processTemplate(npmrcTemplateSrc, npmrcDest, context);
 		}
 	}
+
+	if (context.runtime === "workers") {
+		const runtimeWorkersDir = path.join(PKG_ROOT, "templates/runtime/workers");
+		if (await fs.pathExists(runtimeWorkersDir)) {
+			await processAndCopyFiles(
+				"**/*",
+				runtimeWorkersDir,
+				projectDir,
+				context,
+				false,
+			);
+		}
+	}
 }

apps/cli/src/helpers/setup/runtime-setup.ts

@@ -20,6 +20,8 @@ export async function setupRuntime(config: ProjectConfig): Promise<void> {
 		await setupBunRuntime(serverDir, backend);
 	} else if (runtime === "node") {
 		await setupNodeRuntime(serverDir, backend);
+	} else if (runtime === "workers") {
+		await setupWorkersRuntime(serverDir);
 	}
 }
 
@@ -80,3 +82,26 @@ async function setupNodeRuntime(
 		});
 	}
 }
+
+async function setupWorkersRuntime(serverDir: string): Promise<void> {
+	const packageJsonPath = path.join(serverDir, "package.json");
+	if (!(await fs.pathExists(packageJsonPath))) return;
+
+	const packageJson = await fs.readJson(packageJsonPath);
+
+	packageJson.scripts = {
+		...packageJson.scripts,
+		dev: "wrangler dev --port=3000",
+		start: "wrangler dev",
+		deploy: "wrangler deploy",
+		build: "wrangler deploy --dry-run",
+		"cf-typegen": "wrangler types --env-interface CloudflareBindings",
+	};
+
+	await fs.writeJson(packageJsonPath, packageJson, { spaces: 2 });
+
+	await addPackageDependency({
+		devDependencies: ["wrangler"],
+		projectDir: serverDir,
+	});
+}